The domain within your query sequence starts at position 1 and ends at position 1954; the E-value for the GREB1 domain shown below is < 1e-12.

MGNSYAGQLKSTRFEEVLHNSIEASLRSNTLVPRPIFSQLYLEAEQQLSSLEGGSRADNE
EEEEDGEGGLEPSSPPNAYQLPPPPEGCCTTDGFCQAGKDLRLVSISSEPIEVPAGFLLV
GAKSPSLPDHLLVCAVDKRFLPDDNGHNALLGFSGNCVGCGKKGFCYFTEFSNHINLKLT
TQPKKQKHLKYYLVRNAQGALTKGPLICWKGSEFRGRQNSTNTCSSSLFPPLESSGSLAA
FPTEPVPGTNPSVPVGAQQAGPASDHPSVTTATGPAVFNGKDSPKHPQLVKSSLSALPRP
SALGILPNSGPPKKRHKGWSPESKSTTDGGFIQGGGNRAKHEGTSIPCVPQAGLVGPASV
TFPVVASGEPVSVPDNLLKICKAKPVIFKGHGNFPYLCGNLNDVVVSPLLYTCYQNSQSL
ARAYEQHGASTMQPISEETQLLLTVYYLVQLAADQVPLMEDLEQIFLRSWRESHLTEIRQ
YQQAPPQPFPPATSTAAPVTSAQLPWLAGLAASSCNDSVHVIECAYSLAEGLSEMFRLLI
EGKLSKTNYVVIICACRNAAIDSCIAVTGKYQARILSESLLSPAEYQREVHYELVTGKVD
SLGTFFSSLCPEGDIDILLDKFHQENQGHVSSSFTASSTKKTAVLDASGVPVCTSYHQEP
RGVRPFQLAVAQKLLSHVCSIADSSTQNLDLGSFEKVDFLICIPPSEVTYQQTVFHVWHS
GVLLELGLEKEPVTKQRAEQHVLKLDTEAQARFKAFLQNSFQNPHTLFVLIHDHAHWDLV
SSAVHNIYSQSDPSVGLVDRLLNCREVKEAPNIVTLHVTSFPYALQTQHTLISPYNEIHW
PISFSNGVDLYHESKKYFGLSEFIDSTLSGHSLPLLRYDSSFEAMVTALGKRFPRLHSAV
IRTFVLVQHYAAAMMAVSGLPQMKNHTSVETLEITQNLLNSPKQCPCGHGLMVLLRVPCS
PLAAVAYERLAHVRARLALEEHFEIILGHPSSGITVGKHFVKQLKMWQKIEDAEWRPQTY
LELEGLPCILIFSGMDPHGESLPRSLRYCDLRLINSSCLVRTALEQELGLAAYFVSNDIP
LEKGPKNEALESDGEKLSSTDEDEEAGTEGCFEAGSTSEQRGPVKRERSHSHDSASSSLS
SRASGSVLYGESLAQPSGPPQGELTRSPPSCGPAEEGRAPGEIQRLRVSQGSTVISRHSP
GLVPQPDSSLRTGRRSLQVPAAPSSQLSSSSGSSSTCAVPTANVLVLQASQCSMAKACRQ
PPIVFLPKLVYDMLLSTDSSGLPKSASLLPSPSVMWTSSFRPLLSKMMTSTEQSLYYRQW
TVPRPSHMDYGNRAEGRVDSFHPRRLLLSGPPQIGKTGAYLQFLSILSRMLIRLTEVDVY
DEEEINTSFREESEWRYLQLADPWPDLELFQKMPFDYIIHDPKYEDASLICSHPQTIKSE
DRGMSRKPEDLYVRRQTARMRLSKYAAYNTYHHCEQCQQYMGFHPHYQLSESTLHVFAFS
CSMLGEEVQLHFIIPKSKEHHFVFSQPGGQLESMRLPLVTDKSHEHIKSPTFTPTTGRHE
HGLFNLYHAMDGANHLHVLVVKEYEMAIYKKYWPNHIMLVLPSIFNSAGVGAAHFLIKEL
CYHNLELERNRQEELGVKPQDVWPFIVIADDSCVMWNVADVDCAGERSREFSWSERNVSL
KYIMLHIEASPNITHYALLGMRKWASKTRGREVQEPFSRCHVHDFIILNVDLTQNVQYNQ
NRFTCDDVDFNLRVHSAGLLLCRFNRFSVMKKQIAVGGHRSFHITSKVSDSSVAIVPSQY
ICAPDSKHTFLAAPAQLLLEKFLQYHSHRFFPLSLKNHSHPVLSVDCYLNLGPQISVCYV
SSRPHSLNISCSDMVFSGLLLYLCDSFVGASFLKKFHFLKGATLCVICQDRNSLRQTVVR
LELEDEWQFRLRDEFQTANAKEDRPLFFLTARHI

GREB1

GREB1
PFAM accession number:PF15782
Interpro abstract (IPR028422): GREB1 (gene regulated in breast cancer 1 protein) may play a role in estrogen-stimulated cell proliferation. It acts as a regulator of hormone-dependent cancer growth in breast and prostate cancers [(PUBMED:15986123), (PUBMED:16496412)].

This is a PFAM domain. For full annotation and more information, please see the PFAM entry GREB1